18858285

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{857}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 33770880

約数和(自身を除く): 14912595

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 857, 1467, 2445, 2571, 4285, 4401, 7335, 7713, 12855, 22005, 23139, 38565, 115695, 139691, 419073, 698455, 1257219, 2095365, 3771657, 6286095, 18858285]

約数ペア:

[(1, 18858285), (3, 6286095), (5, 3771657), (9, 2095365), (15, 1257219), (27, 698455), (45, 419073), (135, 139691), (163, 115695), (489, 38565), (815, 23139), (857, 22005), (1467, 12855), (2445, 7713), (2571, 7335), (4285, 4401)]